From bb1cb08243ce4787a156c0d26470db8310bc10fc Mon Sep 17 00:00:00 2001 From: Fathi Boudra Date: Wed, 22 May 2013 11:46:02 +0300 Subject: Initial commit - BeagleBone Kernel based on https://github.com/beagleboard/kernel/tree/3.8 Signed-off-by: Fathi Boudra --- fs/minix/file.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 fs/minix/file.c (limited to 'fs/minix/file.c') diff --git a/fs/minix/file.c b/fs/minix/file.c new file mode 100644 index 00000000..adc6f549 --- /dev/null +++ b/fs/minix/file.c @@ -0,0 +1,53 @@ +/* + * linux/fs/minix/file.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + * + * minix regular file handling primitives + */ + +#include "minix.h" + +/* + * We have mostly NULLs here: the current defaults are OK for + * the minix filesystem. + */ +const struct file_operations minix_file_operations = { + .llseek = generic_file_llseek, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .write = do_sync_write, + .aio_write = generic_file_aio_write, + .mmap = generic_file_mmap, + .fsync = generic_file_fsync, + .splice_read = generic_file_splice_read, +}; + +static int minix_setattr(struct dentry *dentry, struct iattr *attr) +{ + struct inode *inode = dentry->d_inode; + int error; + + error = inode_change_ok(inode, attr); + if (error) + return error; + + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + error = inode_newsize_ok(inode, attr->ia_size); + if (error) + return error; + + truncate_setsize(inode, attr->ia_size); + minix_truncate(inode); + } + + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; +} + +const struct inode_operations minix_file_inode_operations = { + .setattr = minix_setattr, + .getattr = minix_getattr, +}; -- cgit v1.2.3